Note: See /punkart.spritesheet - The Unicode-Like Universal Code Page for All Punk Archetypes & Attributes - if you are looking for a free to download single all-in-one sprite sheet (image).
The Skin Tones / Colors of Punk & Punkette Pixel Characters / Heads
The Hair Colors of Punk & Punkette Pixel Characters / Heads
Universal (Common / Shared) Attribute Categories for Punk (Pixel) Characters / Heads
Post them over at the Help & Support page. Thanks.